Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.02 0.05 0.25 0.025 0.02 0.05 0.25 0.025 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 500 MVA 400 MVA 125 MVA 100 MVA 500 MVA 400 MVA 125 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because higher critical temperature and pressure. all of above. higher saturation temperature than other fluids. relative low vaporization pressure. higher critical temperature and pressure. all of above. higher saturation temperature than other fluids. relative low vaporization pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j6 pu j3 pu j1 pu j9 pu j6 pu j3 pu j1 pu j9 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Unreliable convergence A good initial guess for voltages is essential for convergence Choice of slack bus affects the convergence Slow convergence Unreliable convergence A good initial guess for voltages is essential for convergence Choice of slack bus affects the convergence Slow convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Electrostatic precipitators in thermal power plants are used for control flow rate remove moisture from the cole All of these removal of ash from flue gas control flow rate remove moisture from the cole All of these removal of ash from flue gas ANSWER DOWNLOAD EXAMIANS APP
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